1740210-4

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Photovoltaic (PV) connectors are power and data connectors used in photovoltaic (PV) systems for the safe, reliable, and cost-efficient connection of electrical components and data communication. Among them, 1740210-4 connectors which have two 15A type bases are widely used in many applications. So this article will introduce the application field and working principle of 1740210-4 connectors.

1740210-4 connectors are mainly used in high power and low voltage photovoltaic (PV) applications. It includes direct current photovoltaic panels, inverter systems, power centers, battery systems, junction boxes, etc. Also, 1740210-4 connectors are suitable to transmit direct current of 1-10A, and take a low voltage transmission of 1-3000V. And more, the accessories of the 1740210-4 are certified with UL, EN, IEC, and CE per applicable requirements.

When it comes to the working principle of the 1740210-4 connectors, it mainly adopts a triple-size interchangeable contact system for power and data connections. The connection technology used is identical between the power and data contacts and also between the male and female sides. Even though the system is designed to be interchangeable, the correct mating is ensured through the three-position keying mechanism. All the cables used in the system are mated in parallel, ensuring a reliable and secure connection. As for the power contact, it provides contact resistance of 0.25MΩ, while for the data contact, the contact resistance is 0.5MΩ.

In order to further guarantee the connection reliability and safety, the 1740210-4 connectors are both UL and CE certified and comply with the IEC standard 62196-2. Employing double locking, the connection is completely dustproof, preventing the entry of dust, dirt, and water into the connector. Furthermore, the shielding pins are integrated and the line can be improved by shielding the connection. In addition, the dielectric strength of the contactor is designed to exceed 3000V while normal operation voltage is up to 500V.

Overall, the 1740210-4 connectors are widely used in many photovoltaic (PV) applications. They adopt a triple-size interchangeable contact system for power and data connections. The connection is dustproof and shielded, having a contact resistance of 0.25MΩ and 0.5MΩ respectively for power and data contacts. In addition, they are designed to exceed 3000V dielectric strength and certified to UL, EN, IEC, and CE standards. All these features highlight the importance of 1740210-4 connectors in photovoltaic (PV) systems.

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